The Sunspot Observer - Average annual indices of solar activity - Solar activity in 1999 - January, 1999

Statistics of sunspot activity

January, 1999

Visual indices of solar activity by author's observations

Date01020304050607080910111213141516171819202122232425262728293031Average%
W67        50  49                  55.33100
Wn53        22  11                  28.6751.81
Ws14        28  38                  26.6748.19
n3        4  3                  3.33100
A0        0  0                  0.000.00
B0        0  0                  0.000.00
C0        2  0                  0.6720.00
D0        0  2                  0.6720.00
E1        0  0                  0.3310.00
F0        0  0                  0.000.00
G0        0  0                  0.000.00
H1        2  1                  1.3340.00
I1        0  0                  0.3310.00
x0        0  0                  0.000.00
r0        0  0                  0.000.00
s2        3  1                  2.0060.00
a0        1  2                  1.0030.00
h0        0  0                  0.000.00
k1        0  0                  0.3310.00
x2        2  1                  1.6750.00
o0        1  1                  0.6720.00
i0        1  0                  0.3310.00
c1        0  1                  0.6720.00
CV76        40  60                  58.67100
CVn66        20  10                  32.0054.55
CVs10        20  50                  26.6745.45
gr2        2  2                  2.0060.00
grfp20        4  12                  12.0059.02
grf15        4  6                  8.3340.98
efp1        2  1                  1.3340.00
ef0        0  0                  0.000.00
Cond4-5        2-3  2-3                  3.1736.60